M1.9 earthquake 120 km SSE of Unalaska, Alaska

Magnitude

1.9 (ml), micro

Local time

Mon, Sep 4, 2023, 10:29 AM AKDT

UTC

2023-09-04 18:29:38 UTC

Depth

24.1 km (15.0 mi), shallow

Epicenter

52.924° N, 165.675° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

18

• Unalaska, AlaskaPopulation 4,491. Forecast120 kmSSE

After

1. 1.9Fox Islands, Aleutian Islands, AlaskaTue, Sep 5, 12:38 PM AKDT · 1120 days ago · 67 km deep · 86 km away
2. 2.0142 km SSE of Akutan, AlaskaWed, Sep 6, 2:07 AM AKDT · 1119 days ago · 18 km deep · 74 km away
3. 1.678 km S of Unalaska, AlaskaWed, Sep 6, 7:21 AM AKDT · 1119 days ago · 26 km deep · 75 km away
4. 1.769 km SSE of Akutan, AlaskaWed, Sep 6, 8:03 AM AKDT · 1119 days ago · 48 km deep · 83 km away
5. 2.2132 km ESE of Nikolski, AlaskaWed, Sep 6, 9:23 AM AKDT · 1119 days ago · 10 km deep · 91 km away
6. 1.984 km SE of Akutan, AlaskaWed, Sep 6, 10:34 AM AKDT · 1119 days ago · 35 km deep · 80 km away
7. 1.576 km S of Unalaska, AlaskaWed, Sep 6, 2:07 PM AKDT · 1119 days ago · 23 km deep · 75 km away
8. 1.9118 km S of Unalaska, AlaskaWed, Sep 6, 6:48 PM AKDT · 1119 days ago · 15 km deep · 76 km away
9. 1.662 km S of Akutan, AlaskaThu, Sep 7, 12:52 AM AKDT · 1118 days ago · 60 km deep · 72 km away
10. 2.0125 km ESE of Nikolski, AlaskaThu, Sep 7, 1:14 AM AKDT · 1118 days ago · 19 km deep · 94 km away
11. 1.982 km SSW of Unalaska, AlaskaThu, Sep 7, 10:14 PM AKDT · 1118 days ago · 29 km deep · 82 km away
12. 1.989 km SSW of Unalaska, AlaskaThu, Sep 7, 10:53 PM AKDT · 1118 days ago · 26 km deep · 99 km away
13. 2.152 km S of Unalaska, AlaskaSun, Sep 10, 4:11 AM AKDT · 1115 days ago · 56 km deep · 79 km away
14. 2.641 km SSE of Akutan, AlaskaSun, Sep 10, 10:24 AM AKDT · 1115 days ago · 68 km deep · 94 km away
15. 2.077 km SSE of Akutan, AlaskaSun, Sep 10, 11:00 PM AKDT · 1115 days ago · 52 km deep · 77 km away
16. 2.179 km SSE of Akutan, AlaskaTue, Sep 12, 11:17 AM AKDT · 1113 days ago · 37 km deep · 58 km away
17. 1.9Fox Islands, Aleutian Islands, AlaskaTue, Sep 12, 12:08 PM AKDT · 1113 days ago · 19 km deep · 69 km away
18. 1.684 km SSW of Unalaska, AlaskaWed, Sep 13, 9:10 AM AKDT · 1112 days ago · 26 km deep · 88 km away
19. 2.886 km SSW of Unalaska, AlaskaWed, Sep 13, 9:40 AM AKDT · 1112 days ago · 35 km deep · 84 km away
20. 2.041 km SSW of Unalaska, AlaskaThu, Sep 14, 4:38 AM AKDT · 1111 days ago · 66 km deep · 97 km away
21. 2.586 km S of Unalaska, AlaskaMon, Sep 18, 12:54 AM AKDT · 1107 days ago · 35 km deep · 69 km away
22. 2.9190 km SSE of Akutan, AlaskaMon, Sep 18, 3:36 AM AKDT · 1107 days ago · 10 km deep · 84 km away
23. 1.984 km SSE of Akutan, AlaskaMon, Sep 18, 5:10 AM AKDT · 1107 days ago · 17 km deep · 66 km away
24. 2.584 km SSE of Akutan, AlaskaMon, Sep 18, 5:28 AM AKDT · 1107 days ago · 35 km deep · 57 km away
25. 2.670 km SE of Unalaska, AlaskaMon, Sep 18, 7:44 AM AKDT · 1107 days ago · 35 km deep · 58 km away
26. 2.662 km SSE of Akutan, AlaskaMon, Sep 18, 6:51 PM AKDT · 1107 days ago · 35 km deep · 76 km away
27. 2.9south of the Aleutian IslandsMon, Sep 18, 7:46 PM AKDT · 1107 days ago · 10 km deep · 85 km away
28. 2.6185 km SSE of Unalaska, AlaskaTue, Sep 19, 3:18 PM AKDT · 1106 days ago · 10 km deep · 75 km away
29. 3.1Unimak Island region, AlaskaWed, Sep 20, 2:03 PM AKDT · 1105 days ago · 35 km deep · 96 km away
30. 2.5129 km S of Unalaska, AlaskaWed, Sep 20, 4:04 PM AKDT · 1105 days ago · 10 km deep · 69 km away
31. 2.3Fox Islands, Aleutian Islands, AlaskaThu, Sep 21, 2:21 AM AKDT · 1104 days ago · 52 km deep · 73 km away
32. 2.329 km S of Unalaska, AlaskaThu, Sep 21, 3:59 AM AKDT · 1104 days ago · 69 km deep · 98 km away
33. 2.3Unimak Island region, AlaskaThu, Sep 21, 6:11 AM AKDT · 1104 days ago · 33 km deep · 96 km away
34. 2.998 km SE of Unalaska, AlaskaSat, Sep 23, 6:07 PM AKDT · 1102 days ago · 35 km deep · 25 km away
35. 2.159 km SSE of Unalaska, AlaskaSun, Sep 24, 10:17 AM AKDT · 1101 days ago · 42 km deep · 61 km away
36. 2.889 km SE of Akutan, AlaskaSun, Sep 24, 12:50 PM AKDT · 1101 days ago · 24 km deep · 96 km away
37. 2.0118 km S of Unalaska, AlaskaSun, Sep 24, 3:21 PM AKDT · 1101 days ago · 1 km deep · 75 km away
38. 2.081 km SE of Akutan, AlaskaSun, Sep 24, 3:44 PM AKDT · 1101 days ago · 48 km deep · 89 km away
39. 1.9125 km S of Unalaska, AlaskaSun, Sep 24, 6:55 PM AKDT · 1101 days ago · 1 km deep · 73 km away
40. 1.9131 km S of Unalaska, AlaskaSun, Sep 24, 7:06 PM AKDT · 1101 days ago · 9 km deep · 68 km away
41. 1.771 km SE of Unalaska, AlaskaMon, Sep 25, 7:32 AM AKDT · 1100 days ago · 24 km deep · 58 km away
42. 3.388 km SSW of Unalaska, AlaskaMon, Sep 25, 8:57 AM AKDT · 1100 days ago · 35 km deep · 88 km away
43. 1.665 km SE of Unalaska, AlaskaMon, Sep 25, 1:09 PM AKDT · 1100 days ago · 23 km deep · 69 km away
44. 2.2140 km SE of Akutan, AlaskaMon, Sep 25, 3:15 PM AKDT · 1100 days ago · 25 km deep · 80 km away
45. 1.774 km S of Akutan, AlaskaMon, Sep 25, 7:58 PM AKDT · 1100 days ago · 25 km deep · 61 km away
46. 1.732 km SSE of Unalaska, AlaskaMon, Sep 25, 8:01 PM AKDT · 1100 days ago · 70 km deep · 88 km away
47. 1.770 km S of Akutan, AlaskaMon, Sep 25, 8:03 PM AKDT · 1100 days ago · 38 km deep · 65 km away
48. 1.687 km SSW of Unalaska, AlaskaTue, Sep 26, 5:40 AM AKDT · 1099 days ago · 34 km deep · 98 km away
49. 1.678 km SE of Unalaska, AlaskaTue, Sep 26, 10:13 AM AKDT · 1099 days ago · 14 km deep · 44 km away
50. 1.968 km SE of Unalaska, AlaskaTue, Sep 26, 10:28 AM AKDT · 1099 days ago · 39 km deep · 59 km away
51. 1.671 km SE of Unalaska, AlaskaTue, Sep 26, 10:40 AM AKDT · 1099 days ago · 26 km deep · 56 km away
52. 1.671 km SE of Unalaska, AlaskaTue, Sep 26, 10:43 AM AKDT · 1099 days ago · 22 km deep · 57 km away
53. 1.676 km SE of Unalaska, AlaskaTue, Sep 26, 12:21 PM AKDT · 1099 days ago · 15 km deep · 53 km away
54. 2.886 km SE of Akutan, AlaskaWed, Sep 27, 3:21 AM AKDT · 1098 days ago · 28 km deep · 77 km away
55. 1.6Fox Islands, Aleutian Islands, AlaskaWed, Sep 27, 5:28 PM AKDT · 1098 days ago · 33 km deep · 73 km away
56. 1.950 km S of Akutan, AlaskaThu, Sep 28, 6:45 PM AKDT · 1097 days ago · 59 km deep · 85 km away
57. 2.883 km SSE of Akutan, AlaskaSun, Oct 1, 2:11 PM AKDT · 1094 days ago · 32 km deep · 64 km away
58. 2.999 km SE of Akutan, AlaskaSun, Oct 1, 2:43 PM AKDT · 1094 days ago · 31 km deep · 95 km away
59. 4.396 km S of Unalaska, AlaskaMon, Oct 2, 2:04 AM AKDT · 1093 days ago · 10 km deep · 69 km away
60. 2.740 km S of Akutan, AlaskaTue, Oct 3, 1:08 PM AKDT · 1092 days ago · 69 km deep · 94 km away

The first 60 of 103.

Before

1. 2.655 km SE of Unalaska, AlaskaSun, Sep 3, 6:27 AM AKDT · 1122 days ago · 35 km deep · 70 km away
2. 2.124 km SSE of Unalaska, AlaskaSun, Sep 3, 2:44 AM AKDT · 1122 days ago · 79 km deep · 96 km away
3. 2.869 km SE of Akutan, AlaskaSat, Sep 2, 9:12 AM AKDT · 1123 days ago · 35 km deep · 92 km away
4. 3.0136 km SE of Akutan, AlaskaThu, Aug 31, 5:10 PM AKDT · 1125 days ago · 35 km deep · 81 km away
5. 3.067 km SE of Unalaska, AlaskaWed, Aug 30, 11:31 PM AKDT · 1126 days ago · 35 km deep · 59 km away
6. 3.146 km ESE of Unalaska, AlaskaTue, Aug 29, 5:22 PM AKDT · 1127 days ago · 60 km deep · 90 km away
7. 2.071 km S of Akutan, AlaskaTue, Aug 29, 4:25 PM AKDT · 1127 days ago · 32 km deep · 64 km away
8. 2.066 km SE of Unalaska, AlaskaTue, Aug 29, 9:41 AM AKDT · 1127 days ago · 26 km deep · 60 km away
9. 2.1Fox Islands, Aleutian Islands, AlaskaTue, Aug 29, 5:44 AM AKDT · 1127 days ago · 22 km deep · 66 km away
10. 1.8Fox Islands, Aleutian Islands, AlaskaMon, Aug 28, 8:37 AM AKDT · 1128 days ago · 10 km deep · 71 km away
11. 2.8136 km SE of Akutan, AlaskaSun, Aug 27, 6:01 PM AKDT · 1129 days ago · 24 km deep · 79 km away
12. 1.9115 km SSE of Unalaska, AlaskaSun, Aug 27, 10:43 AM AKDT · 1129 days ago · 7 km deep · 7 km away
13. 1.882 km SSW of Unalaska, AlaskaSat, Aug 26, 3:49 AM AKDT · 1130 days ago · 43 km deep · 96 km away
14. 2.9183 km SSE of Akutan, AlaskaFri, Aug 25, 5:58 PM AKDT · 1131 days ago · 10 km deep · 79 km away
15. 3.356 km SSE of Unalaska, AlaskaFri, Aug 25, 12:30 PM AKDT · 1131 days ago · 35 km deep · 64 km away
16. 1.885 km S of Unalaska, AlaskaFri, Aug 25, 12:52 AM AKDT · 1131 days ago · 20 km deep · 69 km away
17. 2.9Fox Islands, Aleutian Islands, AlaskaThu, Aug 24, 4:25 AM AKDT · 1132 days ago · 35 km deep · 86 km away
18. 2.3146 km ESE of Nikolski, AlaskaWed, Aug 23, 5:27 PM AKDT · 1133 days ago · 25 km deep · 91 km away
19. 2.075 km SSW of Unalaska, AlaskaWed, Aug 23, 1:07 PM AKDT · 1133 days ago · 31 km deep · 85 km away
20. 1.753 km SE of Unalaska, AlaskaWed, Aug 23, 4:11 AM AKDT · 1133 days ago · 42 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak023bcsmtl1. Read Tue, Sep 29, 2026, 8:00 PM UTC.